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Cross-language code meta-model library using unified MetaAST representation. Parse, transform, and translate code across Python, Elixir, Ruby, Erlang, Haskell, and more via a shared three-tuple AST format.
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lib/metastatic/analysis/state_management/formatter.ex
defmodule Metastatic.Analysis.StateManagement.Formatter do
@moduledoc """
Formatters for state management analysis results.
"""
alias Metastatic.Analysis.StateManagement.Result
@spec format(Result.t(), :text | :json | :detailed) :: String.t()
def format(result, :text), do: format_text(result)
def format(result, :json), do: format_json(result)
def format(result, :detailed), do: format_detailed(result)
defp format_text(result) do
"#{result.container_name}: #{format_pattern(result.pattern)} (#{result.state_count} state vars, #{result.mutation_count} mutations)"
end
defp format_json(result) do
Jason.encode!(%{
container_name: result.container_name,
pattern: result.pattern,
assessment: result.assessment,
state_count: result.state_count,
mutation_count: result.mutation_count,
initialized_state: result.initialized_state,
mutable_state: result.mutable_state,
warnings: result.warnings,
recommendations: result.recommendations
})
end
defp format_detailed(result) do
lines = [
"State Management Analysis: #{result.container_name}",
"",
"Pattern: #{format_pattern(result.pattern)} - #{format_assessment(result.assessment)}",
"",
"Metrics:",
" Total State: #{result.state_count} variables",
" Mutations: #{result.mutation_count}",
" Read-Only: #{length(result.read_only_state)}",
" Mutable: #{length(result.mutable_state)}",
" Initialized: #{length(result.initialized_state)}",
""
]
lines =
if Enum.empty?(result.warnings) do
lines ++ ["No warnings"]
else
lines ++ ["Warnings:"] ++ Enum.map(result.warnings, fn w -> " - #{w}" end)
end
lines =
lines ++
["", "Recommendations:"] ++ Enum.map(result.recommendations, fn r -> " - #{r}" end)
Enum.join(lines, "\n")
end
defp format_pattern(pattern) do
case pattern do
:stateless -> "Stateless"
:immutable_state -> "Immutable State"
:controlled_mutation -> "Controlled Mutation"
:uncontrolled_mutation -> "Uncontrolled Mutation"
:mixed -> "Mixed"
end
end
defp format_assessment(assessment) do
case assessment do
:excellent -> "Excellent"
:good -> "Good"
:fair -> "Fair"
:poor -> "Poor"
end
end
end